Ok will do the partial drain. Its a 6000 gallon inground fiberglass, 1 1/4 hp Jandy pump, Tropic flo 100 cart. filter with NO gauge, oversized Hayward gas heater.
Please put the following information in your signature. That way we don't have to ask or search for where the info is and you don't need to keep re-posting it.
The size of your pool in gallons
If your pool is an AG (above ground) or IG (in ground)
If it's IG, tell us if it's vinyl, plaster/pebble, or fiberglass
The type of filter you have (sand, DE, cartridge) and, if you know, the size, model number or flow rate of the filter.
If you know, please tell us the size pump in HP. Also mention if is it a two speed or variable speed pump.
Date of pool build/install, particularly important if less then a year old.
Other significant accessories or options, such as a spa , SWG, or cleaner